Each conversion, which starts with a % character, is replaced by its corresponding value from args.

A standard date and time format string uses a single format specifier to define the text representation of a date and time value.

The placeholders in the format string are marked by "%" and are followed by one or more of these elements, in this order:

Each conversion specification consists of a percent sign (%), followed by one or more of these elements, in order:

A standard date and time format string uses a single format specifier to define the text representation of a date and time value.

It’s a custom format specifier to indicate that the value should not be encoded (“r” stands for “raw”).

%2, %4, and %5 are always strings, so they can only be followed by a string format specifier (!s!).

The %r format specifier is useful for backing up files with a granularity somewhere between a day %d and a single hour %h .

The %r format specifier is useful for backing up files with a granularity somewhere between a day %d and a single hour %h.

%3, %7, %8, and %9 are integers that should be followed by a printf-style numeric format specifier enclosed in exclamation marks.

If one of the operands of a comparison is a string and the other has a numeric value, the numeric operand is converted back to a string using the C sprintf format specifier `%d' for integers and `%g' for floating-point values.

If one of the operands of a comparison is a string and the other has a numeric value, the numeric operand is converted back to a string using the C sprintf format specifier %d for integers and %g for floating-point values.